I immediately think about my research credentials, a trick I developed after discovering that getting people to think about aspects of themselves that are conducive to success can actually be enough to propel them to a top performance and prevent choking.

And:

The mere act of realizing you aren't just defined by one dimension— your SAT score or a speech or a solo— can help curtail worries and negative thoughts. In essence, thinking about yourself from multiple perspectives can help relieve some pressure that you feel.